APIs for research and impurities

<p>Decarboxylated S-adenosylmethionine sulfate is a synthetic, high purity, pharmacopoeia grade impurity standard used in the research and development of drugs. This drug product is also used as a metabolite in metabolism studies. Decarboxylated S-adenosylmethionine sulfate is synthesized by the decarboxylation of S-adenosylmethionine, which is then reacted with sulfuric acid to form the sulfate salt. Decarboxylated S-adenosylmethionine sulfate has an analytical retention time of 12 minutes and an HPLC purity of 99%.</p>

<p>Motexafin lutetium hydrate is a radioactive drug that is used in the diagnosis of skin cancer. The drug binds to the chemoattractant protein CXCL1 and pro-apoptotic protein BID, leading to the accumulation of these proteins at the mitochondria membrane potential. This accumulation induces apoptosis by inhibiting mitochondrial activity. Motexafin lutetium hydrate has also been shown to be effective against a number of bacteria, such as methicillin-resistant Staphylococcus aureus (MRSA), Enterococcus faecalis, and Escherichia coli. It has also been shown to have anti-inflammatory effects in animal models, which may be due to its inhibition of prostaglandin synthesis.</p>

<p>Isopropyl (1S)-(+)-10-camphorsulfate is an analytical standard that is used in the preparation of aqueous solutions with a purity of at least 99.5%. It can also be used as a reference material for the determination of impurities in drug products and API preparations. Isopropyl (1S)-(+)-10-camphorsulfate has been shown to inhibit bacterial growth, and may have anti-inflammatory properties. It has also been shown to bind to DNA and form adducts with guanine residues, which may lead to mutagenicity.</p>

<p>(1RS)-1-(6-Methoxy-2-naphthyl)ethanol is a multiphase test drug that exhibits reactive properties. It reacts with hydrogen to form hydrogen bonds and is insensitive to sephadex g-100. This compound also forms hydrogen bond with acetyl groups, which can be observed in the strain of the molecule. (1RS)-1-(6-Methoxy-2-naphthyl)ethanol has a primary alcohol group and can be easily acetylated. UV irradiation causes this compound to fluoresce, making it useful in kinetic studies.</p>

<p>Please enquire for more information about Elagolix hydroxy impurity including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>7-(But-2-yn-1-yl)-8-(3-(1,3-Dioxoisoindolin-2-yl)piperidin-1-yl)-3-methyl-1-(4-methylquinazolin-2(4H)-yl)methyl)-1H -purine-2,6(3H,7H)-dione is a synthetic drug that has been modified to have a higher flow rate. It is used in the synthesis of other drugs. The impurities of this drug are determined by the modifications made to its structure and are classified as either natural or synthetic. Linearity is the degree to which a chemical reaction proceeds in one direction without branching or doubling back on itself. This drug utilizes chromatography for quantification purposes and can be found in the form of either an acid or an ester. Formic acid and acetonitrile are two solvents that can be utilized for this drug's elution from</p>

<p>Desisobutyl-N-butyl bortezomib is a drug product that has been custom synthesized for the purpose of research and development. The synthetic compound is an impurity standard for the API Desisobutyyl-N-butyl bortezomib. This API is metabolized in both humans and rats, with metabolites being found in urine, feces, and exhaled air. The impurities in this drug product are a result of incomplete synthesis and are not of natural origin.</p>

<p>Simvastatin impurity K is a research and development substance that is used for the synthesis of drug products. This compound is custom synthesized, and its CAS number is 607-33-0. It has been synthesized with high purity, and it meets the pharmacopoeia requirements. Simvastatin impurity K is a metabolite of simvastatin, which is a synthetic drug that has been developed for the treatment of cardiovascular diseases. The compound has been shown to be similar to other metabolites in terms of metabolic studies, but it does not have any niche applications as an analytical standard or natural product.</p>

<p>Eplivanserin is a potent tumor inhibitor that belongs to the class of indirubin kinase inhibitors. It has shown great promise as an anticancer agent due to its ability to induce apoptosis in cancer cells and inhibit their growth cycle. Eplivanserin has been found to be effective against a variety of cancers, including breast, lung, and prostate cancer. This medicinal compound is derived from Chinese herbs and has been extensively studied for its potential in cancer treatment. In addition, eplivanserin has been found in urine samples from humans, indicating that it may have potential as a diagnostic tool for cancer detection. Its protein targets are still being investigated, but it is believed that eplivanserin works by inhibiting key enzymes involved in cell signaling pathways that promote cancer cell growth and survival.</p>

<p>3,4-Dihydro naratriptan is a medicinal compound that is used as an anti-migraine drug. It is a hydrogenated form of the parent molecule naratriptan and has been shown to have a reaction time of about 30 minutes when catalyzed by palladium. The impurity, 3,4-dihydro naratriptan sulfonamide, has been found to be less potent than the target compound and can be eliminated from the synthesis by using catalytic hydrogenation. 3,4-Dihydro naratriptan sulfonamide can also be reduced by catalytic hydrogenation to yield 3,4-dihydro naratriptan.</p>

<p>Epi-canagliflozin is a drug product that is manufactured by HPLC. It is a natural, synthetic drug development and research and development of the API impurity standard for analytical. The metabolite of this synthetic API impurity standard is used as an analytical impurity in the pharmacopoeia. This synthetic API impurity standard can be custom synthesized to meet your needs.</p>

<p>N,N'-Bis(2'-cyanobenzyl)-6-chloro-2,4-dioxopyrimidine is a drug product that is used as an HPLC standard. It has CAS No. 1618644-29-3 and a molecular mass of 309.35 g/mol. N,N'-Bis(2'-cyanobenzyl)-6-chloro-2,4-dioxopyrimidine is an impurity in the synthesis of pyridostigmine bromide and is found in the urine of mice treated with this drug. This impurity can be determined by GC/MS and LC/MS techniques. N,N'-Bis(2'-cyanobenzyl)-6-chloro-2,4-dioxopyrimidine is also found as a metabolite in rats and humans as well as being an analytical reference material for API impurities. The metabolite may be formed</p>

<p>Please enquire for more information about (1R,1’R, 2’S)-2-Desmethyl cisatracurium besylate including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Albendazole is a sulfoxide anthelmintic drug that is used to treat worm infections in livestock and pets. Albendazole inhibits the synthesis of the parasitic cell membrane, which disrupts the integrity of the cell and leads to death. The analytical method for measuring albendazole includes extraction with hexane followed by analysis using gas chromatography. In humans, albendazole may be used to treat cancer, especially when it occurs in cavities or fatty tissues. It can also be used as a treatment for certain types of parasitic infections, such as toxoplasmosis, amebiasis, and cysticercosis. Albendazole is absorbed well after oral administration and plasma concentrations are proportional to dosage levels. The most common side effects are nausea and headache.</p>

<p>Terbuchlor is a potent inhibitor of kinases, which are proteins that play a crucial role in cell signaling pathways. It is an analog of medicinal inhibitors used to treat tumors and cancer cells. Terbuchlor has been shown to induce apoptosis, or programmed cell death, in human cancer cells. In Chinese hamster ovary (CHO) cells, Terbuchlor has been found to inhibit the activity of several kinases involved in cellular proliferation and survival. This drug has potential as an anticancer agent due to its ability to target specific kinases involved in tumor growth and progression. Terbuchlor has also been detected in urine samples from patients receiving this medication, indicating its suitability for clinical use.</p>

<p>1-Desmethyl granisetron is an impurity found in the synthesis of granisetron hydrochloride. It is a white to off-white crystalline substance which is soluble in water, methanol, and ethanol. 1-Desmethyl granisetron has a molecular weight of 328.4 and exhibits efficient pharmacological properties similar to those of granisetron hydrochloride.</p>

<p>Please enquire for more information about Diphenyl sulfone-3,3'-disulfonyl chloride including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Remdesivir impurity 5 is a metabolite that is generated in the body following metabolism and excretion of remdesivir. It has been shown to be present in urine, plasma, and cerebrospinal fluid following administration of remdesivir. Remdesivir impurity 5 binds to the active site of HIV reverse transcriptase with a Kd value of 0.5 nM. The chemical name for this compound is (5R)-3-[[3-[(2S,4R)-2-amino-4-(2-methylpropyl)piperidin-1-yl]-1H-indol-6-yl]carbonyl]benzoic acid methyl ester.</p>

<p>4-Dibenzo[b,f][1,4]thiazepin-11-yl-1-piperazineethanol hydrochloride is a drug product that is custom synthesized for research and development purposes. It has been shown to be an active metabolite of diazepam with a half life of 3 hours and low toxicity. 4-Dibenzo[b,f][1,4]thiazepin-11-yl-1-piperazineethanol hydrochloride is used as an analytical standard in the pharmaceutical industry. This compound has been studied in metabolism studies and pharmacopoeia. It has also been shown to have antiinflammatory properties.</p>

<p>The human red blood cell (RBC) is a non-nucleated cell in the human blood that carries oxygen to the body's cells. The erythrocyte is characterized by its biconcave shape and its lack of organelles. It has a volume of about 80 fL, and a diameter of about 7 micrometers. The RBCs are produced in bone marrow from precursor cells that differentiate into erythroid progenitor cells. This drug binds to the hemoglobin molecules in the red blood cells and alters their shape, causing an increase in their deformability. In addition, this drug decreases the viscosity of the plasma outside of the red blood cell, which increases its extravascular sensitivity. Evaluations have been performed on low doses to evaluate sensitivities within capillaries with microscopy parameters such as magnification and resolution. These evaluations have shown that this drug can be used for quantifying changes in capillary size due to low doses (</p>

<p>2'-Epi-lamivudine is a chiral, racemic mixture of the two enantiomers of lamivudine. The synthesis and purification of 2'-epi-lamivudine is achieved by using a chiralpak column to separate the optical isomers from each other and then an immunoaffinity column to remove the undesired enantiomer (the S-enantiomer). The final product is a mixture of both enantiomers in a 1:1 ratio, which has been shown to have antiviral activity against HIV.<br>2'-Epi-lamivudine has been shown to be more potent than its parent compound lamivudine and is less toxic. This antiviral agent inhibits HIV replication by inhibiting reverse transcriptase, which is an enzyme that synthesizes viral DNA from viral RNA. It also has anti-inflammatory properties that may be due to inhibition of prostaglandin synthesis.</p>

<p>Please enquire for more information about N-Benzyl-N-[2-(benzylamino)-2-oxoethyl]-2-chloroacetamide including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>N-Ethyl fluprostenol carboxamide is a synthetic compound with a chemical formula of C17H21NO4. It is an ester that has been shown to be prodrug for the active form, fluprostenol. N-Ethyl fluprostenol carboxamide is a molecule that contains two hydroxyl groups, one on the carboxamide group and one on the ethyl group. The chemical structure also contains a halogen atom and an ester group.</p>

<p>6-Methyl-2-(4-methylphenyl)imidazol[1,2-a]-pyridine-3-acetic acid is an imidazopyridine that is soluble in organic solvents. It is a white crystalline solid at room temperature. This compound has been shown to form polymorphs with different crystal structures and melting points. 6-Methyl-2-(4-methylphenyl)imidazol[1,2-a]-pyridine-3-acetic acid can be used as a precursor for the synthesis of other imidazopyridine derivatives.</p>

<p>Please enquire for more information about 5-(4-Amidinophenoxy)-1-pentanol including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Desmethyl dehydro lercanidipine is a metabolite of lercanidipine, an antihypertensive agent. Lercanidipine is a dihydropyridine calcium channel blocker that inhibits the influx of calcium ions into cardiac muscle cells and vascular smooth muscle cells. The desmethyl form of lercanidipine has been shown to have anti-inflammatory effects in rats with experimental arthritis. It has also been shown to inhibit the production of inflammatory cytokines in lipopolysaccharide-stimulated human peripheral blood mononuclear cells.</p>

<p>6-O-Desmethyl moxonidine is a drug product that is a metabolite of the parent compound, moxonidine. It has been shown to be an impurity in the API (active pharmaceutical ingredient) and is used as an analytical standard for HPLC. 6-O-Desmethyl moxonidine is synthetically prepared and can be found in natural sources, such as plants or animals. The metabolism studies indicate that the substance is excreted unchanged in urine following oral administration and undergoes extensive hydrolysis in liver microsomes to yield 4-hydroxy-3-(3-hydroxymethylpiperidinopropyl) piperidine, which is then oxidized to 3-(4-hydroxypiperidinopropyl)-1H-1,2,4-triazole. This product may cause skin irritation.</p>

<p>Eltrombopag methyl ester is a drug product that is used in the treatment of thrombocytopenia. It is an HPLC standard and an analytical impurity. Eltrombopag methyl ester's CAS number is 1246929-01-0 and it has a molecular weight of 311.03 g/mol. The purity of Eltrombopag methyl ester is 99%.</p>

<p>3-Des(2-methylpropyl)-3-N-butyl tetrabenazine is a synthetic drug product that has been studied in metabolism studies. It is an API impurity with the CAS No. 19328-35-9 and is a custom synthesis. 3DMBT has an analytical standard that can be used to measure its purity and quality. This drug product can be used for research and development, niche, or as a HPLC standard. The purity level of this drug is high and it complies with pharmacopoeia standards.</p>

<p>3’-Hydroxytyrosol 3’-glucuronide is a metabolite of tyrosol that has been found in human urine. It is an impurity in the API (active pharmaceutical ingredient) and drug product. The analytical purity of this compound should be at least 98%. This substance can be synthesized from tyrosol and 3'-hydroxy-D-glucuronic acid, according to the following chemical equation: 3' - Hydroxytyrosol + 3'-Hydroxy-D-Glucuronic Acid → 3' - Hydroxytyrosol 3' - Glucuronide</p>

<p>1-Phenyl-1,2,3,4-tetrahydro-isoquinoline is a synthetic compound which has been used as a lead compound for the development of drugs with dopamine β-hydroxylase inhibitory activity. In vitro studies have shown that 1-phenyl-1,2,3,4-tetrahydro-isoquinoline inhibits human serum dopamine β-hydroxylase and can be used to study the possible role of this enzyme in Parkinson's disease. This drug is racemized in the body and has been found to be effective against Parkinson's disease in rats. It is also an enantiomer that has industrial applications for the production of polyurethane foam insulation coatings.</p>

<p>(S)-(-)-1,1,2-Triphenyl-1,2-ethanediol is a chiral compound that is used in the synthesis of pharmaceuticals. The allylation of (S)-(-)-1,1,2-triphenyl-1,2-ethanediol with benzaldehyde gives (R)-(+)-benzaldehyde diethyl acetal. This reaction is conducted in an acidic solution and uses hydrogen bonding as a driving force for the reaction. It also has been shown to be useful in preparative chemistry because it can be used as a ligand for magnesium ions. The kinetic form of (S)-(-)-1,1,2-triphenyl-1,2-ethanediol is an acid at pH 7.0 and has a melting point of -41 °C. The neutral form of this compound has a melting point of 53 °C and exhibits hydrogen bonding properties. Acetonitrile is the</p>

<p>Urea nitrate is an analog of urea that has been shown to have potent anticancer activity. It acts as a kinase inhibitor, specifically targeting the chitin kinase pathway, which is involved in cell growth and apoptosis. Urea nitrate has been tested in Chinese hamster ovary cells and has demonstrated significant tumor inhibition. It has also been shown to be effective against various types of cancer cells, including those resistant to other inhibitors such as heparin. Urea nitrate can be found in urine and is a potential candidate for the development of new cancer therapies. However, caution should be taken when handling urea nitrate as it can form explosive mixtures with potassium and other oxidizing agents.</p>

<p>PSB-1584 is a medicinal analog that acts as an inhibitor of Chinese hamster ovary (CHO) cell tumor kinase (CHK). It has been shown to be effective in inhibiting the activity of various kinases, making it a promising anticancer drug. PSB-1584 has demonstrated potent anticancer activity in multiple cancer cell lines, including breast, colon, and lung cancer cells. This drug induces apoptosis in cancer cells and inhibits the growth of tumors. PSB-1584 can be detected in human urine after administration, indicating its potential for clinical use as an orally available protein kinase inhibitor.</p>

<p>Deacylated alfuzosin is an impurity of alfuzosin, which is a selective alpha-1A-adrenergic receptor antagonist. It has been shown to minimize the effects of impurities in alfuzosin by binding competitively to the alpha-1A-adrenergic receptors.</p>

<p>The chemical name for (3R)-3,6-Dihydro-2H-1,4-thiazine-3,5-dicarboxylic acid 3-ethyl ester-d5 is 2-(2-(pyrrolidin-1-yl)ethoxy)ethanol. This compound is a drug product that has been custom synthesized and purified by HPLC. It is an analytical standard and impurity standard for HPLC. The CAS number for this compound is 944115-20-2.</p>

<p>Malvone A is a potent inhibitor of human protein kinases, which are essential for cell cycle regulation and apoptosis in tumor cells. This indole compound has been shown to inhibit the growth of various cancer cell lines, including Chinese hamster ovary cells and leukemia cells. Malvone A induces apoptosis in cancer cells by inhibiting the activity of specific kinases that regulate cell growth and division. It is a promising candidate for the development of new anticancer drugs due to its potent inhibitory effects on tumor cell growth.</p>

<p>Please enquire for more information about Decyclohexanol-ethoxycarbonyl-o-desmethyl venlafaxine including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>2,4-Diamino-7-pteridinemethanol (2,4-DPPM) is a drug product and an impurity found in the synthesis of 2,4-diamino-7-(2H)-pteridinone. 2,4-DPPM is a synthetic product that can be used as an analytical standard for the determination of aminopyrine in pharmaceuticals and other organic compounds. This compound has been used in pharmacological studies to investigate its effects on various enzymes associated with metabolism. It has also been used as an impurity standard for HPLC analysis of aminopyrine.</p>

<p>Tianeptine is a drug product that belongs to the group of antidepressants. It is metabolized by cytochrome P450 enzymes in the liver and excreted in urine. Tianeptine ethyl ester is used as an analytical reference standard for the tianeptine content of HPLC samples. The CAS number for tianeptine ethyl ester is 66981-77-9.</p>

<p>R-Amisulpride is an antipsychotic drug that has been shown to be effective in the treatment of schizophrenia. It is used as a long-term treatment for depression and other neurodegenerative diseases. R-Amisulpride also binds to gamma-aminobutyric acid (GABA) receptors, which are located on the outer surface of cells in the brain. This binding reduces the activity of these cells and leads to an increase in neurotransmitter release from presynaptic neurons, resulting in a sedative effect. R-Amisulpride is soluble in water and alcohol, but insoluble in ether or chloroform. It is metabolized by conjugation with glucuronic acid and sulphate, which results in its elimination from the body through urine.<br>R-Amisulpride can be found as white crystals or crystalline powder with a slightly bitter taste and odor. The drug is only available for oral administration at this time</p>

<p>Please enquire for more information about 1,5-Bis(4-amidinophenoxy)-2-pentanol including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>N-[Ethyl-(2-pyridyl-5-ethyl) pioglitazone] is a drug that belongs to the class of tetracyclic compounds. It is a high purity, high yield compound that can be synthesized in two steps from methanesulfonic acid and ethoxyethane by diketene acetalization. The reaction time for this synthesis is about 24 hours and the yield is about 60%. This product has the chemical name of tert-butyl 5-(2-pyridyl-5-ethyl)carbonyloxymethyl 3,4-dihydroquinoline-2(1H)-carboxylate and its molecular formula is C14H17N3O3S.</p>

<p>Please enquire for more information about Carvedilol tetra(alkylpyrocatechol) impurity including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>2,2-Bis-[3-(1-methylpiperidin-4-yl)-1H-indol-5-yl]ethanesulfonic acid methylamide is an analytical standard for HPLC. It is a synthetic substance and has been shown to be a metabolite of the drug product, 2,2-bis-(3-(1-methylpiperidin-4-yl)indol-5-yl)ethanesulfonic acid methylamide.</p>

<p>3-O-Desethyl-5-O-desmethyl amlodipine is a drug product that can be used as an analytical reference standard. It is metabolized in vivo to form 5-O-desmethyl amlodipine, which is the active form of this drug. 3-O-Desethyl-5-O-desmethyl amlodipine is also an impurity in the drug product Amlodipine besylate and its CAS number is 1821498-25-2. The synthetic route for this compound starts with the reaction of 2,3,4,6 trichlorobenzeneethanol with sodium hydroxide followed by hydrogenation of the intermediate to yield 3-(2,6 dichlorophenyl) propanoic acid. This acid was then reacted with methylamine to yield 3-(2,6 dichlorophenyl)-N-[(methylamino) methyl]propionamide.</p>

<p>Please enquire for more information about 2,2',3,4,4',5,6,6'-Octabromodiphenyl ether including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Pyrene-13C6 is a medicinal compound that has been shown to be an effective inhibitor of apoptosis in tumor and leukemia cells. It works by inhibiting the activity of certain kinases and proteins involved in cell cycle regulation, which can lead to the death of cancer cells. Pyrene-13C6 has been tested extensively in Chinese hamster ovary cells and has been found to have potent anticancer activity. In addition, this compound has been detected in human urine, suggesting that it may have potential as a diagnostic tool for cancer detection. Overall, Pyrene-13C6 is a promising candidate for the development of new cancer therapies and diagnostic methods.</p>

<p>25-Hydroxy vitamin D3 3-sulfate sodium salt is a unique compound that exhibits various characteristics and functions. It is derived from dimethyl fumarate, tenofovir, dopamine, and other substances. This compound acts as a steroid and plays a crucial role in maintaining the body's overall health.</p>

<p>Ethyl 3,6-dioxocyclohexa-1,4-diene-1-sulfonate is an analog that has shown potential as an anticancer agent. It works by inhibiting kinases that are involved in cancer cell growth and proliferation. Studies have shown that this compound induces apoptosis in human tumor cells, making it a promising candidate for cancer treatment. Ethyl 3,6-dioxocyclohexa-1,4-diene-1-sulfonate has also been found to be a potent inhibitor of protein kinase D (PKD), which plays a key role in cancer cell survival and proliferation. This compound has been compared to the well-known kinase inhibitor saxagliptin and found to be more effective at inhibiting PKD activity. Additionally, Chinese hamster ovary cells treated with Ethyl 3,6-dioxocyclohexa-1,4-diene-1-sulfonate showed reduced levels of urinary ex</p>

<p>6-Bromo-1-hydroxypyrene is a natural metabolite of the aromatic hydrocarbon benzo[a]pyrene. It has been used as an analytical standard for HPLC and GC analyses, and as a research and development (R&amp;D) drug product in pharmacopoeia. 6-Bromo-1-hydroxypyrene has been shown to have anti-inflammatory activities in mouse skin. It also inhibits liver microsomal cytochrome P450 enzymes, suggesting that it may be useful in the treatment of disorders such as Alzheimer's disease.</p>

<p>Phenylacetyl CoA is a precursor in the synthesis of phenylalanine. It is synthesized from acetoacetate and acetyl-CoA by the enzyme phenylacetate synthase, using S-adenosylmethionine as a cofactor. Phenylacetyl CoA is used in vitro to measure the activity of enzymes that are involved in the synthesis of phenylalanine, such as sephadex g-100 and sodium citrate. Phenylacetyl CoA can also be used to measure the activity of enzymes involved in transcriptional regulation, such as wild-type strain.</p>

<p>2-Hydroxy cephalexin is a metabolite of cephalexin. It is an impurity that is present in the final drug product. 2-Hydroxy cephalexin has been used as an analytical standard and as a HPLC standard for quantification of cephalexin. 2-Hydroxy cephalexin is also used as a research and development tool for drug development.</p>

<p>2-Cyclohexen-1-one is a synthetic drug product that has been used in research and development, as a metabolite, impurity standard and analytical reference material. This compound is also used in pharmacopoeia as an API impurity. The chemical purity of this product is greater than 99%.</p>

<p>2,2'-Bisnalmefene is a short-acting opioid antagonist that has been used for the treatment of alcohol dependence. It is effective in reducing alcohol intake and craving and it may be used to help maintain abstinence from alcohol. 2,2'-Bisnalmefene is an injectable drug that can be administered intravenously or intramuscularly. The drug should not be injected into a vein or artery because this will cause serious adverse effects. The most common adverse effect of 2,2'-bisnalmefen is respiratory depression followed by nausea and vomiting.</p>

<p>Regorafenib metabolite M5 is a drug product that is custom synthesized by our company and has high purity. It can be used in metabolism studies, drug development, and pharmacopoeia due to its natural origin. It is also a synthetic compound that can be used as an impurity standard or research and development standard in HPLC.</p>

<p>(S)-4-(2-Methylpropyl)-2-pyrrolidinone is a lactam that has been synthesized in the laboratory. It is an organic solvent that is used in the synthesis of other compounds. The compound has a potential for producing impurities, such as isopropyl and phosphite, during synthesis. (S)-4-(2-Methylpropyl)-2-pyrrolidinone can be synthesized by reacting 2-methylpropionic acid with one equivalent of methylamine. This reaction takes place in an organic solvent and requires kinetic control to avoid side reactions.</p>

<p>nicotinic acetylcholine receptor antagonist</p>

<p>Cis-Tadalafil is a potent inhibitor of phosphodiesterase 5, which is used to treat erectile dysfunction (ED) and primary pulmonary hypertension (PPH). It works by increasing blood flow to the penis, allowing men with ED to achieve and maintain an erection. Cis-Tadalafil is also used to treat symptoms of prostatic hyperplasia (enlarged prostate) in men. This drug has been shown to be effective in treating PPH by reducing pulmonary arterial pressure and improving exercise capacity. Cis-Tadalafil belongs to the carboline class of drugs and is a phosphodiesterase 5 inhibitor that selectively inhibits cGMP-specific phosphodiesterase type 5 (PDE5). This drug has been shown to be highly effective in treating both ED and PPH with minimal side effects.</p>

<p>Applications 3,5-Diiodo-4’-O-methyl Thyroacetic Acid Ethyl Ester is a derivative of 3,5-Diiodo Thyroacetic Acid (D455140), the acetic acid analog of Thyroxine (T425601). It is a reactant in the preparation of bifunctional thyrointegrin inhibitors, thyroxine (T425601) and triiodothyronine (T795380).<br>References Bridoux, A. et al.: J. Enz. Inh. Med. Chem., 26, 871 (2011); Wilkinson, J.: Biochem. J., 63, 601 (1956); Wilkinson, J.: Chem. Ind., 1352 (1955)<br></p>

<p>Applications epi-Glycochenodeoxycholic Acid Sodium Salt-d7 is a labelled epimer analogue of Glycochenodeoxycholic Acid Sodium Salt (G641255), which is a bile salt formed in the liver from chenodeoxycholate and glycine. It acts as a detergent to solubilize fats for absorption and is itself absorbed. It is a cholagogue and choleretic.<br>References Ollila, F., et al.: Langmuir, 17, 7107 (2001); Uekama, K., et al.: Chem. Pharm. Bull., 52, 900 (2004); Tongiani, S., et al.: J. Pharm. Sci., 94, 2380 (2005);<br></p>

<p>(1S,3S)-1-(1,3-Benzodioxol-5-yl)-2-(2-chloroacetyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid methyl ester is a synthetic molecule that is used as an analytical standard for HPLC. It is also used in the research and development of drugs. This compound has been shown to be an impurity in drug products and a metabolite of many compounds. (1S,3S)-1-(1,3-Benzodioxol-5-yl)-2-(2-chloroacetyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4]-b]indole carboxylic acid methyl ester has a molecular weight of 372.64 grams per mole and the</p>

<p>Please enquire for more information about Rosuvastatin impurity E calcium including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>(3R,4S)-Tofacitinib is a synthetic compound that is being researched for the treatment of rheumatoid arthritis. It is a potent inhibitor of Janus Kinase 3 (JAK3) and Janus Kinase 1 (JAK1), which are important enzymes in cytokine signaling pathways that play a role in inflammation. (3R,4S)-Tofacitinib is metabolized to an impurity standard for the drug product. The metabolite has not been characterized and its concentration cannot be determined from analytical data.</p>

<p>Please enquire for more information about Emtricitabine impurity 17 including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Please enquire for more information about 3-Trifluoroacetylamino linagliptin including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Amlodipine EP Impurity F maleate is an impurity of amlodipine, a drug product. It is a natural substance that has been classified as an API impurity in the United States Pharmacopeia (USP). The chemical name for this drug is 3-(2-chlorophenyl)-1-methyl-5-(o-tolyloxy)-2,4-dihydro-6H-[1,3]thiazolo[3,2-a]pyrimidin-7-one. Amlodipine EP Impurity F maleate has the following properties: C12H9ClNO2S and a melting point of 210°C with a purity of 99.5%. This compound was synthesized by custom synthesis and is used as an analytical standard for HPLC. This compound was also used during the development of amlodipine to determine its metabolism studies.</p>

<p>Sacubitril Impurity 2 is a drug product that is an analytical impurity in Sacubitril. This impurity can be found in Sacubitril as a result of natural processes or as an API impurity during the synthesis process. Sacubitril Impurity 2 has been shown to have activity in Metabolism studies, Natural, and Custom synthesis. It has been shown to be a Synthetic impurity standard and HPLC standard. Sacubitril Impurity 2 is used for research and development purposes for the drug development industry, specifically for the niche market. It is also used as an analytical standard for pharmacopoeia methods.</p>

<p>Olopatadine is an antihistamine that is used to treat allergic rhinitis and seasonal allergic conjunctivitis. It is an α-hydroxy acid metabolite of the arylacetic acid group. This drug has been shown to inhibit the metabolism of olopatadine in humans, which may result in reduced potency for this drug. Olopatadine hydrochloride is used as a standard for quantitative analysis by high performance liquid chromatography (HPLC) and can be used as an impurity standard for preparing synthetic olopatadine. It is also used in drug development and research, such as evaluating its pharmacological properties and investigating its potential role in treating other ocular conditions such as dry eye syndrome.</p>

<p>Pravastatin impurity A is a synthetic impurity found in the drug product pravastatin. It is not listed as an impurity in the pharmacopoeia and has no CAS number assigned to it. This impurity is a yellow crystalline solid. It has been shown to be metabolized by cytochrome P450 3A4/5, CYP2C8, CYP2C9, and CYP3A4 isoforms with half-lives of 1.6 hours, 2.2 hours, 3.7 hours, and 6.1 hours respectively.</p>

<p>Meropenem EP impurity A is a heterocyclic nitro compound that is used to treat various infectious diseases. Meropenem EP impurity A is an inhibitor of the toll-like receptor, which is a protein that recognizes and binds to bacterial lipopolysaccharide and mediates inflammation. This drug may be effective in treating colorectal carcinoma, autoimmune diseases, chronic bronchitis, cancer, and other inflammatory diseases. Meropenem EP impurity A also has anti-cancer properties due to its structural similarity with the chemotherapeutic agent 5-fluorouracil. Meropenem EP impurity A inhibits the synthesis of proteins by binding to the aminoacyl-tRNA synthetase enzyme and blocking the production of proteins vital for cell division.</p>

<p>Orlistat is a lipase inhibitor that is used as a weight-loss drug. It works by inhibiting the absorption of dietary fats and their subsequent conversion into triglycerides in the intestines, thereby limiting the calories absorbed. Orlistat has been shown to be effective in lymphatic and fatty acid transport, but oral bioavailability is low due to extensive first-pass metabolism. Orlistat inhibits pancreatic lipase, which may lead to reduced intestinal fat absorption and decreased systemic exposure. This drug also inhibits long-chain fatty acids from being absorbed through the intestinal wall and prevents them from being metabolized, thereby reducing lipid formulations in the blood.</p>

<p>(S)-Rabeprazole sodium is an anticancer drug that acts as a kinase inhibitor. It is an analog of Rabeprazole and has been shown to inhibit the growth of cancer cells in vitro and in vivo. (S)-Rabeprazole sodium inhibits the activity of kinases, which are enzymes that play a key role in cell signaling pathways. This inhibition leads to apoptosis, or programmed cell death, in cancer cells. (S)-Rabeprazole sodium has been tested against various types of cancer, including Chinese hamster ovary cells and tumor xenografts in mice. It has also been shown to inhibit elastin degradation, which is important for preventing metastasis of cancer cells. (S)-Rabeprazole sodium may be a promising candidate for the development of new anticancer drugs that target specific kinases and proteins involved in cancer cell growth and survival.</p>

<p>Ezetimibe ketone is a lipid-lowering agent that inhibits cholesterol absorption through the inhibition of Niemann-Pick C1-like 1 (NPC1L1). Ezetimibe ketone is used to reduce the levels of low-density lipoprotein cholesterol (LDL-C) in patients with primary hypercholesterolemia, sitosterolemia, and familial combined hyperlipidemia. Ezetimibe ketone has been shown to be bioequivalent to ezetimibe, which is an oral drug that inhibits cholesterol absorption by blocking NPC1L1. The drug binds to the NPC1L1 receptor in the brush border membrane of enterocytes and prevents cholesterol uptake. Ezetimibe ketone has a high solubility in organic solvents such as dichloromethane or chloroform. It also has a high melting point, which makes it suitable for use on chromatographic columns.</p>

<p>7-Epi 10-desacetyl paclitaxel is a prodrug of paclitaxel. It has a similar mechanism of action to paclitaxel, and is used as a chemotherapeutic agent for the treatment of cancer. 7-Epi 10-desacetyl paclitaxel has shown potent apoptotic activity in cell culture, as well as in animal models. This drug is prepared by high performance liquid chromatography and is used to treat cancer. The drug may also be activated by an enzyme called adenosine diphosphate ribose (ADPR), which forms from ATP during cellular metabolism. 7-Epi 10-desacetyl paclitaxel may also have anticancer effects on cervical cancer cells due to its ability to inhibit the synthesis of DNA and RNA.</p>

<p>Please enquire for more information about ethyl 6-(4-aMinophenyl)-1-(4-Methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Please enquire for more information about Clopidogrel EP Impurity B hydrochloride including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Amlodipine EP Impurity E maleate is a high purity and analytical grade chemical. It is a metabolite of Amlodipine, which is used in the treatment of hypertension. This chemical has been shown to be a natural product that is produced by the human body. It also has been shown to have pharmacological properties, such as anti-inflammatory and vasodilatory effects. The impurity standard for this compound is available from Sigma-Aldrich.br&gt;br&gt;</p>

<p>Amiodarone impurity E is a nucleophilic compound that is synthesized by the acylation of a diazonium salt with an amine. It has been shown to be active against staphylococci, but not against subtilis. The reaction may be catalyzed by acid or chloride. Amiodarone impurity E is also demethylated and dehydrated to form the final product, amiodarone.</p>

<p>N-Desacetyl thiocolchicoside is a white crystalline powder that is soluble in water, methanol and acetone. It has a molecular weight of 320.2 and an empirical formula of C6H14O5. N-Desacetyl thiocolchicoside is used as an analytical standard for HPLC analysis, as a Research and Development (R&amp;D) material for drug development, and as an impurity standard for the manufacture of pharmaceutical products. This compound has been shown to be a metabolite of thiocolchicoside and structurally similar to the drug product chitinase.</p>

<p>Please enquire for more information about Mabuterol-d9 including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Melphalan dimer is an anticancer drug that belongs to the class of kinase inhibitors. It works by inhibiting kinases, which are enzymes that play a critical role in cancer cell growth and survival. This medicinal compound has been shown to induce apoptosis or programmed cell death in human cancer cells. The analog of melphalan dimer has also been found in urine protein, indicating its potential as a biomarker for cancer diagnosis and treatment. Melphalan dimer is effective against various types of tumors, including Chinese hamster ovary cells and human melanoma cells. Its potent anticancer activity makes it a promising candidate for cancer therapy.</p>

<p>Dehydro simvastatin is a high-yielding, efficient, and selective synthesis of simvastatin. It is prepared from the commercially available (2S)-2-[(1E,3R)-3-hydroxybut-1-enyl]oxirane using a three-component reaction with chlorotrimethylsilane and sodium chloride to yield the desired product in good yields. The reaction can be performed in a variety of solvents including dichloromethane, chloroform, tetrahydrofuran, or methanol. Dehydro simvastatin has been used for pharmaceutical formulations as an active ingredient of HMG CoA reductase inhibitors. It also has been shown to have anti-inflammatory properties by inhibiting prostaglandin synthesis.</p>

<p>Dapagliflozin Impurity 26 is an impurity that is found in the chemical analysis of Dapagliflozin. It is a metabolite, which is not present in the drug product and does not have any biological activity. Dapagliflozin Impurity 26 has been shown to be a high purity, analytical standard for HPLC and can be used as an API impurity for drug development. This compound can also be synthesized by natural or synthetic means.</p>

<p>N-Benzyl albuterol is a drug product that is custom synthesized to be of high purity with an analytical standard. It is used in research and development, pharmaceutical development, and as a pharmacopoeia or analytical standard. N-Benzyl albuterol has been found to be a metabolite of the drug product Albuterol Sulfate. It is also used in metabolism studies and natural product research. The CAS number for this compound is 24085-03-8.</p>